    var page = require('webpage').create(),
        system = require('system'),
        key = system.args[1],
        t = Date.now();
    phantom.outputEncoding = "gbk"; //指定编码方式
    page.settings.userAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko";
    page.open("http://www.baidu.com.cn/s?wd=" + encodeURI(key) + "&cl=3", function (status) {
        if (status === "success") {
            var s = page.evaluate(function (key,t) {
                var z = {};
                z.code = 1;
                z.msg = '抓取成功';
                z.word = key;
                z.time = Date.now() - t;
                z.datalist = [];
                var result = document.querySelectorAll(".c-container");
                Array.prototype.forEach.call(result,function (e) {
                    var url =  e.querySelector(".c-img")? e.querySelector(".c-img").src:'';
                  
                    if(url){
                        var pic = domin(url);
                    }

                    var data = {
                        title: e.querySelector('h3 em')? trim(e.querySelector('h3 em').innerHTML):'',
                        info: e.querySelector(".c-row")? trim(e.querySelector(".c-row").textContent):'',
                        link: e.querySelector("h3 a")? trim(e.querySelector("h3 a").href):'',
                        pic:pic || url,
                    };
                    z.datalist.push(data)
                })
                function trim(str) {
                    return str.replace(/(^\s+)|(\s+$)/g, "");
                }
                function domin(url) {
                    var arr = url.split("/"),
                        list = {
                        "graph.baidu.com": "https://sp0.baidu.com/-aYHfD0a2gU2pMbgoY3K",
                        "p.qiao.baidu.com": "https://sp0.baidu.com/5PoXdTebKgQFm2e88IuM_a",
                        "vse.baidu.com": "https://sp3.baidu.com/6qUDsjip0QIZ8tyhnq",
                        "hdpreload.baidu.com": "https://sp3.baidu.com/7LAWfjuc_wUI8t7jm9iCKT-xh_",
                        "lcr.open.baidu.com": "https://sp2.baidu.com/8LUYsjW91Qh3otqbppnN2DJv",
                        "kankan.baidu.com": "https://sp3.baidu.com/7bM1dzeaKgQFm2e88IuM_a",
                        "xapp.baidu.com": "https://sp2.baidu.com/yLMWfHSm2Q5IlBGlnYG",
                        "dr.dh.baidu.com": "https://sp0.baidu.com/-KZ1aD0a2gU2pMbgoY3K",
                        "xiaodu.baidu.com": "https://sp0.baidu.com/yLsHczq6KgQFm2e88IuM_a",
                        "sensearch.baidu.com": "https://sp1.baidu.com/5b11fzupBgM18t7jm9iCKT-xh_",
                        "s1.bdstatic.com": "https://ss1.bdstatic.com/5eN1bjq8AAUYm2zgoY3K",
                        "olime.baidu.com": "https://sp0.baidu.com/8bg4cTva2gU2pMbgoY3K",
                        "app.baidu.com": "https://sp2.baidu.com/9_QWsjip0QIZ8tyhnq",
                        "i.baidu.com": "https://sp0.baidu.com/74oIbT3kAMgDnd_",
                        "c.baidu.com": "https://sp0.baidu.com/9foIbT3kAMgDnd_",
                        "sclick.baidu.com": "https://sp0.baidu.com/5bU_dTmfKgQFm2e88IuM_a",
                        "nsclick.baidu.com": "https://sp1.baidu.com/8qUJcD3n0sgCo2Kml5_Y_D3",
                        "sestat.baidu.com": "https://sp1.baidu.com/5b1ZeDe5KgQFm2e88IuM_a",
                        "eclick.baidu.com": "https://sp3.baidu.com/-0U_dTmfKgQFm2e88IuM_a",
                        "api.map.baidu.com": "https://sp2.baidu.com/9_Q4sjOpB1gCo2Kml5_Y_D3",
                        "ecma.bdimg.com": "https://ss1.bdstatic.com/-0U0bXSm1A5BphGlnYG",
                        "ecmb.bdimg.com": "https://ss0.bdstatic.com/-0U0bnSm1A5BphGlnYG",
                        "t1.baidu.com": "https://ss0.baidu.com/6ON1bjeh1BF3odCf",
                        "t2.baidu.com": "https://ss1.baidu.com/6OZ1bjeh1BF3odCf",
                        "t3.baidu.com": "https://ss2.baidu.com/6OV1bjeh1BF3odCf",
                        "t10.baidu.com": "https://ss0.baidu.com/6ONWsjip0QIZ8tyhnq",
                        "t11.baidu.com": "https://ss1.baidu.com/6ONXsjip0QIZ8tyhnq",
                        "t12.baidu.com": "https://ss2.baidu.com/6ONYsjip0QIZ8tyhnq",
                        "i7.baidu.com": "https://ss0.baidu.com/73F1bjeh1BF3odCf",
                        "i8.baidu.com": "https://ss0.baidu.com/73x1bjeh1BF3odCf",
                        "i9.baidu.com": "https://ss0.baidu.com/73t1bjeh1BF3odCf",
                        "b1.bdstatic.com": "https://ss0.bdstatic.com/9uN1bjq8AAUYm2zgoY3K",
                        "ss.bdimg.com": "https://ss1.bdstatic.com/5aV1bjqh_Q23odCf",
                        "opendata.baidu.com": "https://sp0.baidu.com/8aQDcjqpAAV3otqbppnN2DJv",
                        "api.open.baidu.com": "https://sp0.baidu.com/9_Q4sjW91Qh3otqbppnN2DJv",
                        "tag.baidu.com": "https://sp1.baidu.com/6LMFsjip0QIZ8tyhnq",
                        "f3.baidu.com": "https://sp2.baidu.com/-uV1bjeh1BF3odCf",
                        "s.share.baidu.com": "https://sp0.baidu.com/5foZdDe71MgCo2Kml5_Y_D3",
                        "bdimg.share.baidu.com": "https://ss1.baidu.com/9rA4cT8aBw9FktbgoI7O1ygwehsv",
                        "1.su.bdimg.com": "https://ss0.bdstatic.com/k4oZeXSm1A5BphGlnYG",
                        "2.su.bdimg.com": "https://ss1.bdstatic.com/kvoZeXSm1A5BphGlnYG",
                        "3.su.bdimg.com": "https://ss2.bdstatic.com/kfoZeXSm1A5BphGlnYG",
                        "4.su.bdimg.com": "https://ss3.bdstatic.com/lPoZeXSm1A5BphGlnYG",
                        "5.su.bdimg.com": "https://ss0.bdstatic.com/l4oZeXSm1A5BphGlnYG",
                        "6.su.bdimg.com": "https://ss1.bdstatic.com/lvoZeXSm1A5BphGlnYG",
                        "7.su.bdimg.com": "https://ss2.bdstatic.com/lfoZeXSm1A5BphGlnYG",
                        "8.su.bdimg.com": "https://ss3.bdstatic.com/iPoZeXSm1A5BphGlnYG"
                    };
                    return (list[arr[2]]+'/'+arr[3]+'/'+arr[4])
                }
                return encodeURI(JSON.stringify(z))
            },key,t)
             console.log(s)
        } else {
            console.log("网页加载失败");
        }
        phantom.exit(0); //退出系统
    });